红宝石 | StringScanner 跳过函数

StringScanner#skip() : skip()是一个 StringScanner 类方法，它跳过以扫描指针开头的给定模式。

Syntax: StringScanner.skip()

Parameter: StringScanner values pattern

Return: skip over the given pattern beginning with the scan pointer.

示例 #1：

# Ruby code for StringScanner.skip() method
  
# loading StringScanner
require 'strscan'
  
# declaring StringScanner 
c = StringScanner.new("Mon Sep 12 2018 14:39")
  
# skip() method
c.skip(/\w+/)
puts "String Scanner skip form : #{c.pos()}\n\n"
  
# skip() method
c.skip(/\s+/)
puts "String Scanner skip form : #{c.pos()}\n\n"
  
# skip() method
c.skip(/./)
puts "String Scanner skip form : #{c.pos()}\n\n"

输出 ：

String Scanner skip form : 3

String Scanner skip form : 4

String Scanner skip form : 5

示例 #2：

# Ruby code for StringScanner.skip() method
  
# loading StringScanner
require 'strscan'
  
# declaring StringScanner 
c = StringScanner.new("h ello geeks")
  
# skip() method
c.skip(/\w+/)
puts "String Scanner skip form : #{c.pos()}\n\n"
  
# skip() method
c.skip(/\s+/)
puts "String Scanner skip form : #{c.pos()}\n\n"
  
# skip() method
c.skip(/./)
puts "String Scanner skip form : #{c.pos()}\n\n"

输出 ：

String Scanner skip form : 1

String Scanner skip form : 2

String Scanner skip form : 3